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I use the oven tek. Last time I innoculated the jars came out 100% sterile. They dident do shit. I thought it was the heat that killed the spores. Is it safe to cool my jars and syringes in the freezer before innoculating so the spores wont be killed? I Innoculated 4 in this way earlier. I let the jars cool for 12 hours and then put them in the freezer for an hour.I hope it worked

I had 4 syringes freeze in my vegetable crisper for more than a month, and all of my jars colonized....in fact they colonized faster than the other 3 batches I've done. So, you can freeze spore syringes.